21573420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32687}}^1$

素因数の和:32710

約数の個数: 48

約数和(自身を含む): 65899008

約数和(自身を除く): 44325588

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32687, 65374, 98061, 130748, 163435, 196122, 326870, 359557, 392244, 490305, 653740, 719114, 980610, 1078671, 1438228, 1797785, 1961220, 2157342, 3595570, 4314684, 5393355, 7191140, 10786710, 21573420]

約数ペア:

[(1, 21573420), (2, 10786710), (3, 7191140), (4, 5393355), (5, 4314684), (6, 3595570), (10, 2157342), (11, 1961220), (12, 1797785), (15, 1438228), (20, 1078671), (22, 980610), (30, 719114), (33, 653740), (44, 490305), (55, 392244), (60, 359557), (66, 326870), (110, 196122), (132, 163435), (165, 130748), (220, 98061), (330, 65374), (660, 32687)]